Finding the Fourth Proportional to 40,464.72, 55,840.32 and 22,559.67

Step by Step Solution

1. Step 1: Write the proportion equation
   40,464.72 : 55,840.32 = 22,559.67 : x
2. Step 2: Convert to fraction form
   40,464.72/55,840.32 = 22,559.67/x
3. Step 3: Cross multiply
   40,464.72x = 55,840.32 × 22,559.67
4. Step 4: Simplify right side
   40,464.72x = 1,259,739,191.89
5. Step 5: Solve for x
   x = 1,259,739,191.89/40,464.72
6. Step 6: Final answer
   x = 31,131.79